*{padding: 0;margin: 0;box-sizing: border-box;}
html,body,#root{
    height: 100%;
}
#root{
    display: flex;
}
.meau{
    height: 100%;
    background-color: #2d3c4a;
    /* vue的过渡需要有隐藏显示才能使用 */
    transition: .2s all ;
}
.meau li{
    cursor: pointer;
    height: 56px;
    width: 100%;
    padding: 0 25px;
    line-height: 56px;
    color: #CCC;
}
.meau li .iconfont{
    margin-right: 5px;
    font-size: 16px;
}
.meau li:hover{
    background-color:rgba(30, 42, 55);
    box-shadow: 0 0 2px rgba(30, 42, 55);
}
.main{
    height: 100%;
    flex: 1;
    background-color: rgba(204, 204, 204, 0.619);
}
.main .top{
    width: 100%;
    height: 50px;
    box-shadow: 0 0 10px gray;

}
.main .iconfont{
    width: 50px;
    height: 50px;
    font-size: 30px;
    line-height: 50px;
    text-align: center;
    display: block;
    float: left;
    /* border: 1px solid red; */
}
.main .iconfont:hover{
    border: 0.5px solid rgba(128, 128, 128, 0.409);
}
.main span{
    height: 50px;
    line-height: 50px;
    padding: 2px;
    cursor: pointer;
    display: block;
    float: left;
    font-size: 14px;
    color: gray;
}
h1{
    width: 90%;
    height: 80%;
    margin: auto;
    margin-top: 50px;
    box-shadow: 0 0 10px gray;
    background-color: white;
}